Air filter

Details Air filter Air filter

1982-12-06

1984-10-23

Lacey, David

Gas separation

Two or more separators

Plies or layers of different characteristics or orientation

55501, 55524, 210490, 210496, B01D 3900

Patent

active

044786204

ABSTRACT:
An air filter is described which is made of a non-woven fabric and an overlapped synthetic net which are intermittently point bonded together. The net has raised bumps which form the bonding points for the fabric. A filter of this design is structurally strong but does not generate a large air pressure loss.

REFERENCES:
patent: 2389435 (1945-11-01), Karlstrom
patent: 3543940 (1970-12-01), Schmidt, Jr.
patent: 3675403 (1972-07-01), Ruffo
patent: 3815341 (1974-06-01), Hamano
patent: 4159360 (1979-06-01), Kim

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